PostService.js

import Post from './Post.js'
import fileService from './FileService.js' 
class PostService {
    async create(post, picture) {
        const fileName = fileService.saveFile(picture)
        const createdPost = await Post.create({...post, fileName})
        return createdPost 
    }

    async getAll() {
        const posts = Post.find()
        return posts
    }

    async getOne(id) {
        if(!id) {
            throw new Error('ID не вказан')
        }
        const post = await Post.findById(id)
        return post 
    }

    async update(post) {
            if(!post._id) {
                throw new Error('ID не вказан')
            }
            const updatedPost = await Post.findByIdAndUpdate(post._id, post, {new: true})
            return updatedPost
    }
    
    async delete(id) {
            if(!id) {
                throw new Error('ID не вказан')     
            }
            const deletedPost = await Post.findByIdAndDelete(id)
            return deletedPost
    } 
}

export default new PostService()